This week, the MongoDB community is abuzz with various events and webinars, including a new course on MongoDB for Node.js developers starting August 12, a webinar on MongoDB and Hadoop, a tutorial on building a JSON REST API server, and a webinar on Thrive With Big Data. The community is also gearing up for user groups and public training sessions in Boston and Denver. Additionally, there are online education opportunities available, including new courses and registration deadlines for various MongoDB certifications and training programs.